Pyrotechnic device



Ap 16, 1929. c. D. MILLER PYROTECHNIC DEVICE Filed Nov. 5, 1926 INVEN TOR.

Charlas D. Miller,

BY i Z ATTORNEY.

'l My inventionrelates to-pyrotechnic devices f andfmore particularly to the ltype commonly knownjas sparklers, Y -1 Itgs'fwell known i, in. the lart th withl ,a composition ,A comprising aluminum powder,or other fuel Vcapable oic producing afjhightemperature upon Combustion, an

jproducingmeansandfitis the primary obsparkler lma'ss without recourse. to y other aux- Y.iliary,heatproducing means. Y 1 jv Aifurther ob"ect'oi'1the invention is to prol` t ,vide :sparkler' :havinga V4friction igniting 2 0 tipcoinpofsled of ingredients capable offpro-Y i ducing anfintenseandprolonged heat neces# s ary'to'ignite the sparkler mass.

Q YQtherlobjectsj'and'.advantages of the in- `ventioii will be apparentgduring the course of 'the following description.

Iii-the accompanying drawing, forming a Alipart -oftliisl specification and in which like numerals'a're employed to designate like parts throughout the same,

" one. form of the invention,

VFig. 2 is a similar view of another form oftheinventiom y. i

y Figjv, Vis a'view of the scratching surface usedffin conjunctionfwith the form shown in ]Eig. 2,'and,v I Y v f i figg 4, is a longitudinal sectional view of oth'erjformI of the invention. Y l In?. he" drawing, wherein for the purpose @not illustration, I have shown the preferred forms/of -myinvention, the numeral v5 denotes 4the usual metal baseor rod used in the :construction of sparklers, coated with a suit-`r ,able-kignitible composition for the greaterA ,portionolf its length forming the sparklerV .mavssil, which is ignited when subjected to the proper heat. jyReerringmore particularly to my'invention', the Sparkler mass at its upper end is providedwith anenlarged head or tip 7 formed Y, producing an intense and prolonged heat sufiioie'nt to ignite 4the sparkler. mass.

f d V'I he composition for my` tip in Fig. 1, con- 5f5 wsists of the following ingredients combined in substantiallythe proportions stated: two

5S TTS 'HRLESDf MILLER, or BERKELEY,KV oALiroRLNiA-- Y 1 ff iz Application ledfNovember A v at spai'lleis arejgei'iferally., formed by coating va metal base "oxidizing'compound `such as av chlorate or. Q, nitrate,;coiitaining large available quantities y 'A ofpoxlyge'n, and iron or steel chips, whic'hmass- Vvisignited [with a match or :other suchheat l ]e'ct of my invention to provide a Lsparkler Sflj having. fulminating'tip! for igniting-` the Fig. 1,' isa longitudinal sectional view lof Y vkofavsuitable ulminating lcomposition for '-rxno'rncniiio DEviCE,

15, 192e. Yserial Nui/16395.` v

d parts offine glue; four parts of water; four @to five parts potassium c h'lorateg'one and y one-half to twoparts amorphous phosphorand `one-half parts manganese dioxide; four parts .magnesium or aluminumzpowder; two parts sulphur flowers and JVcbloiing y matterr such `as red lead or the likejif desired.V

The composition prepared by .iirst mixing` the iine glue and water and heating from 200 degrees to 210 degrees Fahrenheit. The

us; three" to'ourl parts powdered. glass one other ingredients are then thoroughly mixed l f v 0" 1,709,033:

FF E j,

with the massand the composition is applied v to the end of the spar-klei' mass in any suitable manner.v This composition provides a tip,-

which willV readily ignitej when rubbed against any rough' surfacer and in "turn will` ignite the .sparkler mass.

comprises a compositioni consisting oi' the viollowing ingredients combined in substantially the proportions stated: six. parts chlo- V` rate of potash twotothree,partsof antimony The form of my inventionshown 2,?

-thoroughly mixed to form a paste which is applied to the end of the sparkler in any suitable manner. u f l Y Ascratching or rubbing surface 10 is used in connection with this formof the invention and is composed of a composition `consisting of the following ingredients combined in substantially the proportions stated: ten parts 'amorphous phosphorous, eight parts antimony sulphideor peroxide of ma-ganese; and

three to six parts ofglue. The ingredients are thoroughly mixed to form a paste which l" is spread upon a'suitablebase, as shownfinv Fig. 3. This method insures a safetipwhich will only ignite uponf being lscratched `or rubbed on a surface covered with 'afcoinposivtion as set forth-above; n Y y The form of my invention shown in Fig. 4, consists ofa double tipfformed in two parts 8 and 9; The composition for the part8con- SiSts of the following `ingredients in substan l tially the proportions stated; two parts fine glue;rfour parts water; four Atofive parts po-V tassium chlorate; four partsmagnesiumor aluminum powder; two parts manganese dioxide and two'parts sulphurr flowers. These ingredients are thoroughlymixed tol form a pastewhicli is applied directly to the end of the sparkler mass.

The compositionl for the 9 of the tip 'claimzf n,

A. composition tip forvv pyrotechnic 'l Consists ofV the following ingredients com- "bined in substantially the proportions stated.: threegto four parts of powdered-glass; two f Vparts fineA glue; two vparts `sulphur yflowers;

two parts amorphous"phosphorus and fourv to five parts potassium chlorate'."rl `h6l11f; gredients are thoroughly mixed to form av paste which `is applied to the'top of the part Y.

8. Y vThe part 9 oit' this form of tip will be ignited upon .beingscratched or rubbed 1uponM any rough surfaceiand inturn igntes'they part 8 which in tuin'ignites the sp arkler' mass. ll-hus, it is seenlthatl have providedvari ous ornisfoffulminating'tips'for Asparklers;

formed of v'compositions cap able of produc-; ing an'inte'nsea'nd'prolonged heat to igniteV Y the vsparkler mass wit-hout recourse to matches or other heat producing means'. y

'Having Ythus described Amy' invention; yI

sparklers consisting ofine glue,' water, ypo-l Y v ftassifum ehlorate `'amorA hous 'V hos horusV powdered glass, manganese dioxide, metallic:

particles, and sulphurlflowers.

2. A ffl-minating tip Ifor 'pyrottech'nio r sparklersconsisti'ng oftw'o .parts vof glue, four lparts water, ourparts potassiumfohlorate, y two parts amorphous phosphorus, .four parts powdered glassone'and one-half parts manganese dioxide,V four part-s vmetallio p articles andtwol parts'sulphur' flowers. j

, The f combinar-iba with en, ;pyro;YehnicV i t sparklercomposition,ofv aifulmiating tip Yconsisting ofY an inflammable substance inf-35 clu'ding ymetallic particles capable of being applied directly7 to' the sparkler mass andtig-A s Y llfblerbyzfriction; f' 1 Y l* .f i '4.*An infl'ammable'composition*capable of' being applied directlyv to a sparklerma-ss` com`` i0 metallic particles, manganese' dioxide .and

's1'1lphur-pflowers' f in oombination'withthe f vfriction iofniting tip superimposedup ilf1fg` infiamma le compositionl composedfofffpow# 45 deredkcrlass7 fineglue, sulphur owers,"morphous phosph'orusand potassium "ehlorate four'partswaterpfourpartspotassium.chlo- '50 v* rate, two parts amorphous phosphorus,-'fouri 

